The purpose of the patch set is to convert the board to support the driver model and the device tree.
It is based on the patch set: [PATCH v8 0/2] pinctrl: at91: Add pinctrl driver https://lists.denx.de/pipermail/u-boot/2017-March/284577.html
Changes in v2: - Remain the SPI speed macros. - Disable the SPL option for the nand config. - Add support of Atmel uart be used in the board_init_f stage. - Improve the commit log. - Use CONFIG_DEBUG_UART_CLOCK as the input clock for the early debug UART. - Move out [PATCH 1/4] ARM: dts: at91: add dts files for at91sam9n12ek.
Wenyou Yang (3): configs: at91sam9n12ek: Update for DT and DM support board: at91sam9n12ek: Clean up code board: at91sam9n12ek: Enable early debug UART
board/atmel/at91sam9n12ek/at91sam9n12ek.c | 64 +++++++------------------------ configs/at91sam9n12ek_mmc_defconfig | 25 +++++++++++- configs/at91sam9n12ek_nandflash_defconfig | 31 +++++++++++---- configs/at91sam9n12ek_spiflash_defconfig | 32 ++++++++++++---- include/configs/at91sam9n12ek.h | 19 +-------- 5 files changed, 86 insertions(+), 85 deletions(-)